ipc: mqueue: fix possible memory leak in init_mqueue_fs()

{
  "id": "02f73eca5df1d2209dd3b4d593cdce32debf1b25d295f03a5d6f007b7b821a44",
  "url": "https://osv.dev/vulnerability/CVE-2022-50748",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "ipc: mqueue: fix possible memory leak in init_mqueue_fs()",
    "summary": "In the Linux kernel, the following vulnerability has been resolved: ipc: mqueue: fix possible memory leak in init_mqueue_fs() commit db7cfc380900 (\"ipc: Free mq_sysctls if ipc namespace creation failed\") Here's a similar memory leak to the one fixed by the patch above. retire_mq_sysctls need to be called when init_mqueue_fs fails after setup_mq_sysctls.",
    "evidence": "osv:CVE-2022-50748",
    "products": [
      {
        "name": {
          "value": "Kernel",
          "evidence": "/affected/1/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "5.19.17",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "6.0.3",
            "evidence": "/affected/1/ranges"
          }
        ],
        "affected_versions": []
      }
    ],
    "severity": "unknown",
    "structured": {
      "id": "CVE-2022-50748",
      "aliases": [
        "CVE-2022-50748"
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      "affected": [
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                {
                  "fixed": "55b3709c6d68e32cd3fdd2a630b1f4c97d51b17c"
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                {
                  "fixed": "c579d60f0d0cd87552f64fdebe68b5d941d20309"
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        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
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                  "introduced": "5.19.0"
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                  "fixed": "5.19.17"
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            {
              "type": "ECOSYSTEM",
              "events": [
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                  "introduced": "5.20.0"
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          ],
          "package": {
            "name": "Kernel",
            "ecosystem": "Linux"
          },
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2022-50748.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:51.945519303Z",
      "provider": "osv",
      "references": [
        "https://git.kernel.org/stable/c/55b3709c6d68e32cd3fdd2a630b1f4c97d51b17c",
        "https://git.kernel.org/stable/c/a1f321051e0dcf2415fb94f81fdc5044cad4c1d6",
        "https://git.kernel.org/stable/c/c579d60f0d0cd87552f64fdebe68b5d941d20309",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/50xxx/CVE-2022-50748.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2022-50748",
        "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
      ],
      "provider_metadata": {
        "cna_assigner": "Linux",
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/50xxx/CVE-2022-50748.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2022-50748",
        "evidence": "/id"
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    ],
    "security_relevant": true,
    "severity_evidence": null
  },
  "source_id": "core-osv",
  "document_id": 520906,
  "published_at": "2025-12-24T13:05:44.045+00:00"
}